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    <title>OSM XML</title>
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          <h4 id="title">OSM XML</h4>
          <div id="map" class="map"></div>

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          <p id="shortdesc">Example of using the OSM XML source.</p>
          <div id="docs"><p>OSM XML vector data is loaded dynamically from a the <a href="http://overpass-api.de">Overpass API</a> using a bbox strategy. Note that panning and zooming will eventually lead to &quot;Too many requests&quot; errors from the Overpass API.</p>
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          <div id="api-links">Related API documentation: <ul class="inline"><li><a href="../apidoc/ol.Map.html" title="API documentation for ol.Map">ol.Map</a></li>,<li><a href="../apidoc/ol.View.html" title="API documentation for ol.View">ol.View</a></li>,<li><a href="../apidoc/ol.control.html" title="API documentation for ol.control">ol.control</a></li>,<li><a href="../apidoc/ol.format.OSMXML.html" title="API documentation for ol.format.OSMXML">ol.format.OSMXML</a></li>,<li><a href="../apidoc/ol.layer.Tile.html" title="API documentation for ol.layer.Tile">ol.layer.Tile</a></li>,<li><a href="../apidoc/ol.layer.Vector.html" title="API documentation for ol.layer.Vector">ol.layer.Vector</a></li>,<li><a href="../apidoc/ol.loadingstrategy.html" title="API documentation for ol.loadingstrategy">ol.loadingstrategy</a></li>,<li><a href="../apidoc/ol.proj.html" title="API documentation for ol.proj">ol.proj</a></li>,<li><a href="../apidoc/ol.source.BingMaps.html" title="API documentation for ol.source.BingMaps">ol.source.BingMaps</a></li>,<li><a href="../apidoc/ol.source.Vector.html" title="API documentation for ol.source.Vector">ol.source.Vector</a></li>,<li><a href="../apidoc/ol.style.Circle.html" title="API documentation for ol.style.Circle">ol.style.Circle</a></li>,<li><a href="../apidoc/ol.style.Fill.html" title="API documentation for ol.style.Fill">ol.style.Fill</a></li>,<li><a href="../apidoc/ol.style.Stroke.html" title="API documentation for ol.style.Stroke">ol.style.Stroke</a></li>,<li><a href="../apidoc/ol.style.Style.html" title="API documentation for ol.style.Style">ol.style.Style</a></li></ul></div>
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        <form method="POST" id="jsfiddle-form" target="_blank" action="https://jsfiddle.net/api/post/library/pure/">
          <textarea class="hidden" name="js">var map;

var styles &#x3D; {
  &#x27;amenity&#x27;: {
    &#x27;parking&#x27;: new ol.style.Style({
      stroke: new ol.style.Stroke({
        color: &#x27;rgba(170, 170, 170, 1.0)&#x27;,
        width: 1
      }),
      fill: new ol.style.Fill({
        color: &#x27;rgba(170, 170, 170, 0.3)&#x27;
      })
    })
  },
  &#x27;building&#x27;: {
    &#x27;.*&#x27;: new ol.style.Style({
      zIndex: 100,
      stroke: new ol.style.Stroke({
        color: &#x27;rgba(246, 99, 79, 1.0)&#x27;,
        width: 1
      }),
      fill: new ol.style.Fill({
        color: &#x27;rgba(246, 99, 79, 0.3)&#x27;
      })
    })
  },
  &#x27;highway&#x27;: {
    &#x27;service&#x27;: new ol.style.Style({
      stroke: new ol.style.Stroke({
        color: &#x27;rgba(255, 255, 255, 1.0)&#x27;,
        width: 2
      })
    }),
    &#x27;.*&#x27;: new ol.style.Style({
      stroke: new ol.style.Stroke({
        color: &#x27;rgba(255, 255, 255, 1.0)&#x27;,
        width: 3
      })
    })
  },
  &#x27;landuse&#x27;: {
    &#x27;forest|grass|allotments&#x27;: new ol.style.Style({
      stroke: new ol.style.Stroke({
        color: &#x27;rgba(140, 208, 95, 1.0)&#x27;,
        width: 1
      }),
      fill: new ol.style.Fill({
        color: &#x27;rgba(140, 208, 95, 0.3)&#x27;
      })
    })
  },
  &#x27;natural&#x27;: {
    &#x27;tree&#x27;: new ol.style.Style({
      image: new ol.style.Circle({
        radius: 2,
        fill: new ol.style.Fill({
          color: &#x27;rgba(140, 208, 95, 1.0)&#x27;
        }),
        stroke: null
      })
    })
  }
};

var vectorSource &#x3D; new ol.source.Vector({
  format: new ol.format.OSMXML(),
  loader: function(extent, resolution, projection) {
    var epsg4326Extent &#x3D;
        ol.proj.transformExtent(extent, projection, &#x27;EPSG:4326&#x27;);
    var client &#x3D; new XMLHttpRequest();
    client.open(&#x27;POST&#x27;, &#x27;https://overpass-api.de/api/interpreter&#x27;);
    client.addEventListener(&#x27;load&#x27;, function() {
      var features &#x3D; new ol.format.OSMXML().readFeatures(client.responseText, {
        featureProjection: map.getView().getProjection()
      });
      vectorSource.addFeatures(features);
    });
    var query &#x3D; &#x27;(node(&#x27; +
        epsg4326Extent[1] + &#x27;,&#x27; + epsg4326Extent[0] + &#x27;,&#x27; +
        epsg4326Extent[3] + &#x27;,&#x27; + epsg4326Extent[2] +
        &#x27;);rel(bn)-&gt;.foo;way(bn);node(w)-&gt;.foo;rel(bw););out meta;&#x27;;
    client.send(query);
  },
  strategy: ol.loadingstrategy.bbox
});

var vector &#x3D; new ol.layer.Vector({
  source: vectorSource,
  style: function(feature) {
    for (var key in styles) {
      var value &#x3D; feature.get(key);
      if (value !&#x3D;&#x3D; undefined) {
        for (var regexp in styles[key]) {
          if (new RegExp(regexp).test(value)) {
            return styles[key][regexp];
          }
        }
      }
    }
    return null;
  }
});

var raster &#x3D; new ol.layer.Tile({
  source: new ol.source.BingMaps({
    imagerySet: &#x27;Aerial&#x27;,
    key: &#x27;Your Bing Maps Key from http://www.bingmapsportal.com/ here&#x27;
  })
});

map &#x3D; new ol.Map({
  layers: [raster, vector],
  target: document.getElementById(&#x27;map&#x27;),
  controls: ol.control.defaults({
    attributionOptions: /** @type {olx.control.AttributionOptions} */ ({
      collapsible: false
    })
  }),
  view: new ol.View({
    center: [739218, 5906096],
    maxZoom: 19,
    zoom: 17
  })
});
</textarea>
          <textarea class="hidden" name="css"></textarea>
          <textarea class="hidden" name="html">&lt;div id&#x3D;&quot;map&quot; class&#x3D;&quot;map&quot;&gt;&lt;/div&gt;
</textarea>
          <input type="hidden" name="wrap" value="l">
          <input type="hidden" name="resources" value="https://openlayers.org/en/v3.20.0/css/ol.css,https://openlayers.org/en/v3.20.0/build/ol.js">
        </form>
        <pre><code id="example-source" class="language-markup">&lt;!DOCTYPE html&gt;
&lt;html&gt;
  &lt;head&gt;
    &lt;title&gt;OSM XML&lt;/title&gt;
    &lt;link rel="stylesheet" href="https://openlayers.org/en/v3.20.0/css/ol.css" type="text/css"&gt;
    &lt;!-- The line below is only needed for old environments like Internet Explorer and Android 4.x --&gt;
    &lt;script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList,URL"&gt;&lt;/script&gt;
    &lt;script src="https://openlayers.org/en/v3.20.0/build/ol.js"&gt;&lt;/script&gt;
  &lt;/head&gt;
  &lt;body&gt;
    &lt;div id&#x3D;&quot;map&quot; class&#x3D;&quot;map&quot;&gt;&lt;/div&gt;
    &lt;script&gt;
      var map;

      var styles &#x3D; {
        &#x27;amenity&#x27;: {
          &#x27;parking&#x27;: new ol.style.Style({
            stroke: new ol.style.Stroke({
              color: &#x27;rgba(170, 170, 170, 1.0)&#x27;,
              width: 1
            }),
            fill: new ol.style.Fill({
              color: &#x27;rgba(170, 170, 170, 0.3)&#x27;
            })
          })
        },
        &#x27;building&#x27;: {
          &#x27;.*&#x27;: new ol.style.Style({
            zIndex: 100,
            stroke: new ol.style.Stroke({
              color: &#x27;rgba(246, 99, 79, 1.0)&#x27;,
              width: 1
            }),
            fill: new ol.style.Fill({
              color: &#x27;rgba(246, 99, 79, 0.3)&#x27;
            })
          })
        },
        &#x27;highway&#x27;: {
          &#x27;service&#x27;: new ol.style.Style({
            stroke: new ol.style.Stroke({
              color: &#x27;rgba(255, 255, 255, 1.0)&#x27;,
              width: 2
            })
          }),
          &#x27;.*&#x27;: new ol.style.Style({
            stroke: new ol.style.Stroke({
              color: &#x27;rgba(255, 255, 255, 1.0)&#x27;,
              width: 3
            })
          })
        },
        &#x27;landuse&#x27;: {
          &#x27;forest|grass|allotments&#x27;: new ol.style.Style({
            stroke: new ol.style.Stroke({
              color: &#x27;rgba(140, 208, 95, 1.0)&#x27;,
              width: 1
            }),
            fill: new ol.style.Fill({
              color: &#x27;rgba(140, 208, 95, 0.3)&#x27;
            })
          })
        },
        &#x27;natural&#x27;: {
          &#x27;tree&#x27;: new ol.style.Style({
            image: new ol.style.Circle({
              radius: 2,
              fill: new ol.style.Fill({
                color: &#x27;rgba(140, 208, 95, 1.0)&#x27;
              }),
              stroke: null
            })
          })
        }
      };

      var vectorSource &#x3D; new ol.source.Vector({
        format: new ol.format.OSMXML(),
        loader: function(extent, resolution, projection) {
          var epsg4326Extent &#x3D;
              ol.proj.transformExtent(extent, projection, &#x27;EPSG:4326&#x27;);
          var client &#x3D; new XMLHttpRequest();
          client.open(&#x27;POST&#x27;, &#x27;https://overpass-api.de/api/interpreter&#x27;);
          client.addEventListener(&#x27;load&#x27;, function() {
            var features &#x3D; new ol.format.OSMXML().readFeatures(client.responseText, {
              featureProjection: map.getView().getProjection()
            });
            vectorSource.addFeatures(features);
          });
          var query &#x3D; &#x27;(node(&#x27; +
              epsg4326Extent[1] + &#x27;,&#x27; + epsg4326Extent[0] + &#x27;,&#x27; +
              epsg4326Extent[3] + &#x27;,&#x27; + epsg4326Extent[2] +
              &#x27;);rel(bn)-&gt;.foo;way(bn);node(w)-&gt;.foo;rel(bw););out meta;&#x27;;
          client.send(query);
        },
        strategy: ol.loadingstrategy.bbox
      });

      var vector &#x3D; new ol.layer.Vector({
        source: vectorSource,
        style: function(feature) {
          for (var key in styles) {
            var value &#x3D; feature.get(key);
            if (value !&#x3D;&#x3D; undefined) {
              for (var regexp in styles[key]) {
                if (new RegExp(regexp).test(value)) {
                  return styles[key][regexp];
                }
              }
            }
          }
          return null;
        }
      });

      var raster &#x3D; new ol.layer.Tile({
        source: new ol.source.BingMaps({
          imagerySet: &#x27;Aerial&#x27;,
          key: &#x27;Your Bing Maps Key from http://www.bingmapsportal.com/ here&#x27;
        })
      });

      map &#x3D; new ol.Map({
        layers: [raster, vector],
        target: document.getElementById(&#x27;map&#x27;),
        controls: ol.control.defaults({
          attributionOptions: /** @type {olx.control.AttributionOptions} */ ({
            collapsible: false
          })
        }),
        view: new ol.View({
          center: [739218, 5906096],
          maxZoom: 19,
          zoom: 17
        })
      });
    &lt;/script&gt;
  &lt;/body&gt;
&lt;/html&gt;</code></pre>
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